CVE-2020-0638CISA KEV

Microsoft Update Notification Manager Privilege Escalation Vulnerability

Severity unknownCVSS unknownCheck the vendor advisory for fixed versions

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEV Check MSRC

CISA catalog record

Microsoft Update Notification Manager contains an unspecified vulnerability that allows for privilege escalation.

Product: Update Notification Manager
Added to KEV: 23 May 2022
Federal remediation due: 13 Jun 2022
Known ransomware use: Yes

Page history

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2020-0638. The catalog has a separate collection scope from Microsoft release records.

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Related advisories and sources

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CVE-2020-0638 · CVE overview and exploitation status

cve-program · CVE-2020-0638

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0638

Related changes

Linked by CVE identifier

Microsoft Update Notification Manager Privilege Escalation Vulnerability · CISA KEV deadline · 13 Jun 2022
Microsoft Update Notification Manager Privilege Escalation Vulnerability · Added to CISA KEV · 23 May 2022